JPH06304776A - Parallel system laser beam machine - Google Patents

Abstract

PURPOSE:To inexpensively construct the laser beam machine by using standard parts by freely attachably and detachably connecting a planer-type structure and two master tracks, and freely attachably and detachably connecting the movable device of a slave truck provided on the master truck and the master truck. CONSTITUTION:A master rail 11 is arranged on the upper surface of a planer- type structure 1 arranged across two billets 3-1 and 3-2. Master trucks 5-1 and 5-2 are freely and movably grounded by a master truck running means 14 along with the master rail 11. A pair of slave rails 14 is arranged respectively on the upper surfaces of the master trucks 5-1 and 5-2. Slave trucks 6-l and 6-2 are freely and movably connected by a slave truck running means along with the slave rails 14. Laser beam machines 34 are loaded on the slave trucks 6-1 and 6-2. Intervals among a part of a working head 25 and a part of an optical path 23, and the billet are freely adjustable by an elevating/lowering means 24. Since the stroke of the slave truck movable means is approximately half, standard parts on the market, such as ball screws, etc., can be adopted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parallel type laser capable of processing any of the workpieces arranged in parallel by the other laser processing device when one of the laser processing devices arranged in parallel cannot be used. Regarding processing equipment.

[0002]

2. Description of the Related Art FIG. 9 is a plan view showing an example of a conventional technique. In the figure, two steel plates 3-1 and 3-which are workpieces
Along the two pairs of child rails 14 in which two child carriages 6-1 and 6-2, each having a laser processing device, are arranged in parallel on the upper surface of the gate-shaped structure 1 arranged across two Then, it is configured to be movable back and forth by being driven by child carriage moving devices 16-1, 16-2 such as ball screws. 7-1, 7-2
Are standby positions for maintenance and inspection of the child carriages 6-1 and 6-2, respectively.

[0003]

In the prior art shown in FIG. 9, each of the child carriages 6-1 and 6-2 normally shares the entire machining required span (A) with two machines. There is. However, when one of the child carriages cannot be used for repair, the remaining child carriages need to correspond to the entire required machining span (A).

In order to meet such a need, each child carriage moving device, such as a ball screw, is manufactured to have a length corresponding to the entire processing required span (A). For this reason, when using a ball screw as a child carriage moving device, the standard product is insufficient in length, so it must be custom-made, and not only is it expensive, but it also takes a long time to obtain it, which is a bottleneck in equipment planning. It was. Therefore, an object of the present invention is to provide a parallel type laser processing apparatus which can be constructed with a small equipment cost by using a standard product which can be easily and inexpensively obtained.

[0005]

SUMMARY OF THE INVENTION The gist of the present invention is to machine two parent carriages on a gate-shaped structure which is arranged in parallel with a conveying means for conveying workpieces in parallel. Arranged so that it can move about half in the required span (A) and can be separated and attached,
A child carriage having a laser device mounted thereon is movably disposed on each of the parent carriages, and a connection for detachably connecting the upper end portions of the gate structure and the two parent carriages, respectively. And a connection means for detachably connecting the moving device for the child carriage provided on the one parent carriage, the moving device for the child carriage provided on the other parent carriage and the other parent carriage, and the one parent carriage. It is in a parallel type laser processing apparatus characterized in that means is provided.

[0006]

For example, when a standard ball screw is used as a child carriage moving device without providing a drive device for each parent carriage, one child carriage cannot be used when one child carriage cannot be used. It is possible to increase the moving stroke of the other child carriage by driving the other parent carriage by the moving device and expanding and contracting the ball screw in two steps. At this time, the end of the parent carriage on the side where the child carriage cannot be used is detachably locked to the gate structure so as not to move.

[0007]

1 is a front view of an embodiment of the present invention, and FIG. 2 is a plan view of the embodiment of the present invention. In FIG. 1, the two steel plates 3-1 and 3-2 conveyed by the conveying means 2
Two pairs of parent rails 11 are provided on the upper surface of the gate-shaped structure 1 that is provided so as to straddle each other (see FIG. 2), and one parent carriage 5-1 and 5-5 are provided along the parent rails 11. 2 is erected and is made movable by a parent carriage traveling means 12 such as wheels. A pair of child rails 14 are provided on the upper surfaces of the respective parent carriages 5-1 and 5-2 (see FIG. 2).
A child carriage 6-1 and 6-2 are mounted along the
It is connected to unillustrated child dolly moving means 16-1 and 16-2 (see FIGS. 3 and 4) and is made movable by child dolly traveling means 14 such as wheels. A laser device 34 is mounted on each of the child carriages 6-1 and 6-2, and the processing head 25 and a part of the optical path 23 connected to the processing head 25 are lifted by a lifting means 24.
The distance from the steel plate 3B, which is a workpiece, is adjustable by a signal from a distance sensor (not shown).

Reference numerals 7-1 and 7-2 are standby positions of child carriages 6-1 and 6-2 provided at both ends of the gate structure 1,
An extension rail 32 that can be connected to the child rail 14 is provided therein, and child carriages 6-1 and 6-2 requiring repair are drawn therein (shown by broken lines).

FIG. 2 shows a plan view of an embodiment of the present invention.
The processing heads 25 of the child carts 6-1 and 6-2 are connected to the portal structure 1
Since it is necessary to place the child dolly 6-1 on the same side of the parent dolly 5-
It is formed so as to straddle two (see FIG. 3).

A parent carriage 5-1 near the center of the gate structure 1
Front connecting metal parts 9-1 and 9-2 are provided at the end of 5-2, and parent carts 5-1 and 5-2 are also provided near the center of the gate structure 1.
Side connection hardwares 8-1 and 8-2 are provided integrally with the parent carriages 5-1 and 5-2, respectively, in the vicinity of the inner end of the carriage (see FIG. 5).

The parent carriages 5-1 and 5-2 shown in FIG. 2 are placed adjacent to the standby positions 7-1 and 7-2, respectively, and are loaded on the child carriage 6-1 at this time. The effective stroke a of the processing head 25 of the laser device and the effective stroke b of the processing head 25 of the laser device mounted on the child carriage 6-2 cover the necessary processing range.

FIG. 3 shows the view AA of FIG. Parent cart 5
-1, which is incorporated in -1, is driven by a child carriage moving means 16-1 such as a ball screw to move forward and backward 1
A plate 18 that moves integrally with 7-1 is detachably connected to a bracket 19 that is integrally formed with the child carriage 6-1 by fastening means 20, such as bolts and nuts. With this configuration, the child carriage 6-1 can move forward and backward along the child carriage moving means 16-1.

The arm 22 is integrally provided on the child carriage 6-1 so as to straddle the parent carriage 5-2, and the optical path 23 of the laser device 34, the machining head 25 and a part of the optical path 23 are moved up and down, for example, a ball screw or the like. Is used to support the lifting means 24. 21 is a laser oscillator 2 of the laser device 34
1 is shown. Reference numeral 13 is an underframe of the parent carts 5-1 and 5-2. Reference numeral 4 denotes a stopper for stopping the steel plates 3-1 and 3-2 at predetermined positions. FIG. 4 shows a view BB of FIG.

FIG. 5 shows a child carriage moving means 1 incorporated in the underframe 13 of one parent carriage 5-2 in the embodiment of the present invention.
After separating the child carriage 6-2 from 6-2 and moving it to the standby position 7-2, the nut 17-2 and the underframe 13 of the parent carriage 5-1 are separated.
3 is an enlarged view of a connecting portion when and are connected via a connecting tool 10. FIG. That is, the child carriage moving means 16-2, such as a ball screw, incorporated in the underframe 13 of the parent carriage 5-2 is supported by bearings 26-2 at both ends and is rotated in the forward and reverse directions by a driving means (not shown). . Nut 17-2
Is screwed into the child carriage moving means 16-2 and moves forward and backward in the axial direction by the forward and reverse rotations thereof.
Can move with 7-2.

The connecting tool 10 is connected to the front connecting metal piece 9-1 of the parent carriage 5-1 and the pin 26-1 and to the side connecting metal piece 8-1.
And pins 27-1 are detachably connected. The nut 17 of the child carriage moving means 16-1 on the side of the parent carriage 5-1
When 1 and the underframe 13 of the parent carriage 5-2 are coupled via the coupling tool 10, the coupling tool 10 is connected to the front coupling hardware 9-2 of the parent carriage 5-2 and the pin 26-1, and Side connection hardware 8
-2 and a pin 27-1 are detachably connected. Reference numeral 28 denotes a child stopper for preventing overrun, which is provided only on the side opposite to the standby positions 7-1 and 7-2. 20 is a fastening means such as a bolt.

FIG. 6 shows a state in which the parent carriage 5-2 is pulled toward the standby position 7-1 by the child carriage moving means 16-1 on the parent carriage 5-1 side. The child carriage 6-1 is in the standby position 7
-1. FIG. 7 shows a state in which the parent carriage 5-1 is pulled to the standby position 7-2 side by the subsidiary carriage moving means 16-2 on the parent carriage 5-2 side. Child cart 6-2
Is retracted to the standby position 7-2.

FIG. 8 shows a state in which the parent carriage 5-2 is held in position by a holding means 29 such as a lock pin arranged on the standby position 7-2 side. Underframe 1 of parent trolley 5-2
The metal fittings 30 provided at the three ends are inserted into the lock grooves 31 provided at the standby position 7-2 and are detachably held by the holding means 29 such as a lock pin. In this state, the child carriage 6-2, which is connected to the child rail 14 and the extension rail 32 and separated from the child carriage moving means 16-2, stands by with the parent carriage 5-2 by a not shown moving means such as a chain block. Travel back and forth between positions 7-2.

Reference numeral 35 denotes a temporary stopper which is removed only when the child carriage 6-2 is moved to the standby position 7-2, and is normally used in the attached state. 28 is a child stopper for preventing overrun at the end of the extension rail 32. Reference numerals 33 are parent stoppers arranged at both ends of the parent rail 11 for preventing overrun. This figure shows the standby position 7
Although described on the −2 side, the standby position 7-1 side has the same structure.

[0019]

By configuring as described above, the stroke of the child carriage moving means of the two sets of laser processing devices can be about half that of the prior art, so that a commercially available standard product such as a ball screw can be adopted, which is inexpensive. And it will be possible to get it in a short delivery time. As a result, there are effects such as a lower facility cost and a shorter construction period than the conventional construction.

[Brief description of drawings]

FIG. 1 shows a front view of an embodiment of the present invention.

FIG. 2 shows a plan view of an embodiment of the present invention.

FIG. 3 shows a sectional view of an embodiment of the present invention.

FIG. 4 shows another cross-sectional view of an embodiment of the present invention.

FIG. 5 shows a partially enlarged view of an embodiment of the present invention.

FIG. 6 shows an explanatory view of an embodiment of the present invention.

FIG. 7 shows another explanatory diagram of the embodiment of the present invention.

FIG. 8 shows a partial explanatory view of an embodiment of the present invention.

FIG. 9 shows a prior art example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Gate type structure 2 Transport means 3 Steel plate 4 Stopper 5 Parent trolley 6 Child trolley 7 Standby position 8 Side coupling hardware 9 Front coupling hardware 10 Connector 12 Parent trolley traveling means 13 Underframe 15 Child trolley traveling means 16 Child trolley movement Means 21 Laser oscillator 34 Laser device

Claims (1)

[Claims] 1. Two parent carriages are respectively moved to about half between required machining spans (A) on a gate-shaped structure which is arranged to straddle conveying means for conveying workpieces in parallel. Arranged so as to be detachable from each other, the child carriages each loaded with a laser device are movably arranged on the respective parent carriages, and the upper end portions of the gate-shaped structure and the two parent carriages are arranged. Each of them is provided with a connecting means for detachably connecting, and the moving device for the child carriage provided on the one parent carriage, the moving device for the child carriage provided on the other parent carriage and the other parent carriage, and one parent carriage. A parallel type laser processing device, characterized in that it is provided with a connecting means for detachably connecting each.